add signal app end

Author: matouskozak

src/tests/build.proj

@@ -385,7 +385,7 @@
             string value = item.ItemSpec;
             
             // Add the MONO_APPLE_APP_ENTRY_POINT_LIB_NAME and MONO_APPLE_APP_ASSEMBLY_LOAD_PREFIX environment parameters to the run script
-            string output = lastLine.Replace("--signal-app-end", $"--set-env=MONO_APPLE_APP_ENTRY_POINT_LIB_NAME={value} --set-env=MONO_APPLE_APP_ASSEMBLY_LOAD_PREFIX={value.Split('/')[0]}") + "&& echo \"Test passed\" || { echo \"Test failed\"; exit 1; }";
+            string output = lastLine.Replace("--signal-app-end", $"--signal-app-end --set-env=MONO_APPLE_APP_ENTRY_POINT_LIB_NAME={value} --set-env=MONO_APPLE_APP_ASSEMBLY_LOAD_PREFIX={value.Split('/')[0]}") + "&& echo \"Test passed\" || { echo \"Test failed\"; exit 1; }";
             resultBuilder.AppendLine(output);
 
             // Rename the log file to match the MONO_APPLE_APP_ENTRY_POINT_LIB_NAME